Formation and evolution of cosmic D-strings

Details Formation and evolution of cosmic D-strings Formation and evolution of cosmic D-strings

2003-11-30

arxiv.org/abs/hep-th/0312007v2

JCAP0403:010,2004

Physics

High Energy Physics

High Energy Physics - Theory

Added discussion and references

Scientific paper

10.1088/1475-7516/2004/03/010

We study the formation of D and F-cosmic strings in D-brane annihilation after brane inflation. We show that D-string formation by quantum de Sitter fluctuations is severely suppressed, due to suppression of RR field fluctuations in compact dimensions. We discuss the resonant mechanism of production of D and F-strings, which are formed as magnetic and electric flux tubes of the two orthogonal gauge fields living on the world-volume of the unstable brane. We outline the subsequent cosmological evolution of the D-F string network. We also compare the nature of these strings with the ordinary cosmic strings and point out some differences and similarities.

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